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Angular PrimeNG TreeTable Paginator
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Angular PrimeNG TreeTable Page

Last Updated : 02 Sep, 2022
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Angular PrimeNG is an open-source framework with a rich set of native Angular UI components that are used for great styling and this framework is used to make responsive websites with very much ease. This article will show us how to use TreeTable Page in Angular PrimeNG.

Angular PrimeNG TreeTable Page enables pagination in the TreeTable component. So using paginator options, we can easily paginate the table data on multiple pages according to our needs.

Syntax:

<p-treeTable [paginator]="true" [rows]="1">  </p-treeTable>

Creating Angular application & Module Installation:

Step 1: Create an Angular application using the following command.

ng new appname

Step 2:  After creating your project folder i.e. appname, move to it using the following command.

cd appname

Step 3: Install PrimeNG in your given directory.

npm install primeng --save  npm install primeicons --save

Project Structure: It will look like the following:

 

Example 1: Below is a simple example that demonstrates the use of the Angular PrimeNG TreeTable Paginator, In this example, we have set the paginator property to true and are applying  5 rows pagination to the TreeTable element.

app.component.html

<h2 style="color: green">GeeksforGeeks</h2>
<h4>Angular PrimeNG TreeTable Page</h4>
  
<p-treeTable 
    #myTab 
    [columns]="cols" 
    [value]="tableData" 
    [paginator]="true" 
    [rows]="5">
    <ng-template pTemplate="colgroup" let-columns>
        <colgroup>
            <col *ngFor="let col of columns" />
        </colgroup>
    </ng-template>
  
    <ng-template pTemplate="header" let-columns>
        <tr>
            <th *ngFor="let col of columns">
                {{ col.header }}
            </th>
        </tr>
    </ng-template>
  
    <ng-template 
        pTemplate="body" 
        let-rowNode 
        let-rowData="rowData" 
        let-columns="columns">
        <tr>
            <td *ngFor="let col of columns; let i = index">
                <p-treeTableToggler 
                    [rowNode]="rowNode" 
                    *ngIf="i == 0">
                </p-treeTableToggler>
                {{ rowData[col.field] }}
            </td>
        </tr>
    </ng-template>
</p-treeTable>
                      
                       

app.component.ts

import { Component } from '@angular/core';
import { NodeService } from './nodeservice';
import { TreeNode } from 'primeng/api';
  
@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
})
  
export class AppComponent {
    tableData: TreeNode[] = [];
    cols: any[] = [];
    constructor(private nodeService: NodeService) { }
  
    ngOnInit() {
        this.cols = [
            { field: 'name', header: 'First Name' },
            { field: 'age', header: 'Age' },
        ];
        this.tableData = [
            {
                data: {
                    name: 'David',
                    age: '40',
                },
                children: [
                    {
                        data: {
                            name: 'Nathan',
                            age: '16',
                        },
                    },
                    {
                        data: {
                            name: 'Shane',
                            age: '14',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Warner',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Max',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Willy',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Miley',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Sam',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'James',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
        ];
    }
}
                      
                       

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { BrowserAnimationsModule }
    from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import { NodeService } from './nodeservice';
import { TreeTableModule } from 'primeng/treetable';
import { ButtonModule } from 'primeng/button';
import { InputTextModule } from 'primeng/inputtext';
  
@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        TreeTableModule,
        ButtonModule,
        InputTextModule,
        HttpClientModule,
        FormsModule,
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [NodeService],
})
  
export class AppModule { }
                      
                       

Output:

 

Example 2: Below is a simple example that demonstrates the use of the Angular PrimeNG TreeTable Paginator. In this example, we have set the paginator property to true and are applying 1-row pagination to the TreeTable element.

app.component.html

<h2 style="color: green">GeeksforGeeks</h2>
<h4>Angular PrimeNG TreeTable Page</h4>
  
<p-treeTable 
    #myTab 
    [columns]="cols" 
    [value]="tableData" 
    [paginator]="true" 
    [rows]="1">
    <ng-template pTemplate="colgroup" let-columns>
        <colgroup>
            <col *ngFor="let col of columns" />
        </colgroup>
    </ng-template>
  
    <ng-template pTemplate="header" let-columns>
        <tr>
            <th *ngFor="let col of columns">
                {{ col.header }}
            </th>
        </tr>
    </ng-template>
  
    <ng-template 
        pTemplate="body" 
        let-rowNode 
        let-rowData="rowData" 
        let-columns="columns">
        <tr>
            <td *ngFor="let col of columns; let i = index">
                <p-treeTableToggler 
                    [rowNode]="rowNode" 
                    *ngIf="i == 0">
                </p-treeTableToggler>
                {{ rowData[col.field] }}
            </td>
        </tr>
    </ng-template>
</p-treeTable>
                      
                       

app.component.ts

import { Component, OnInit } from '@angular/core';
import { NodeService } from './nodeservice';
import { TreeNode } from 'primeng/api';
  
@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
})
  
export class AppComponent {
    tableData: TreeNode[] = [];
    cols: any[] = [];
    constructor(private nodeService: NodeService) { }
  
    ngOnInit() {
        this.cols = [
            { field: 'name', header: 'First Name' },
            { field: 'age', header: 'Age' },
        ];
        this.tableData = [
            {
                data: {
                    name: 'David',
                    age: '40',
                },
                children: [
                    {
                        data: {
                            name: 'Nathan',
                            age: '16',
                        },
                    },
                    {
                        data: {
                            name: 'Shane',
                            age: '14',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Warner',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Max',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Willy',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Miley',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'Sam',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
            {
                data: {
                    name: 'James',
                    age: '55',
                },
                children: [
                    {
                        data: {
                            name: 'Michelle',
                            age: '20',
                        },
                    },
                    {
                        data: {
                            name: 'Charlie',
                            age: '24',
                        },
                    },
                ],
            },
        ];
    }
}
                      
                       

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { BrowserAnimationsModule }
    from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import { NodeService } from './nodeservice';
import { TreeTableModule } from 'primeng/treetable';
import { ButtonModule } from 'primeng/button';
import { InputTextModule } from 'primeng/inputtext';
  
@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        TreeTableModule,
        ButtonModule,
        InputTextModule,
        HttpClientModule,
        FormsModule,
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [NodeService],
})
  
export class AppModule { }
                      
                       

Output:

 

Reference: https://primefaces.org/primeng/treetable/page



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Angular PrimeNG TreeTable Paginator
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Article Tags :
  • AngularJS
  • Web Technologies
  • Angular-PrimeNG
  • PrimeNG-Data

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